JP5541023B2 - 対物レンズ、光学ピックアップ、光学ドライブ装置 - Google Patents

対物レンズ、光学ピックアップ、光学ドライブ装置 Download PDF

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Publication number
JP5541023B2
JP5541023B2 JP2010204121A JP2010204121A JP5541023B2 JP 5541023 B2 JP5541023 B2 JP 5541023B2 JP 2010204121 A JP2010204121 A JP 2010204121A JP 2010204121 A JP2010204121 A JP 2010204121A JP 5541023 B2 JP5541023 B2 JP 5541023B2
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Japan
Prior art keywords
recording
objective lens
lens
value
laser beam
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Expired - Fee Related
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JP2010204121A
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English (en)
Japanese (ja)
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JP2012059335A (ja
JP2012059335A5 (enExample
Inventor
健二 山本
紀彰 西
公博 齊藤
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Sony Corp
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Sony Corp
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Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2010204121A priority Critical patent/JP5541023B2/ja
Priority to CN2011102721222A priority patent/CN102402996A/zh
Priority to US13/225,764 priority patent/US8477580B2/en
Publication of JP2012059335A publication Critical patent/JP2012059335A/ja
Publication of JP2012059335A5 publication Critical patent/JP2012059335A5/ja
Application granted granted Critical
Publication of JP5541023B2 publication Critical patent/JP5541023B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2010204121A 2010-09-13 2010-09-13 対物レンズ、光学ピックアップ、光学ドライブ装置 Expired - Fee Related JP5541023B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010204121A JP5541023B2 (ja) 2010-09-13 2010-09-13 対物レンズ、光学ピックアップ、光学ドライブ装置
CN2011102721222A CN102402996A (zh) 2010-09-13 2011-09-06 物镜、光学拾取器和光学驱动装置
US13/225,764 US8477580B2 (en) 2010-09-13 2011-09-06 Objective lens, optical pickup, and optical drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010204121A JP5541023B2 (ja) 2010-09-13 2010-09-13 対物レンズ、光学ピックアップ、光学ドライブ装置

Publications (3)

Publication Number Publication Date
JP2012059335A JP2012059335A (ja) 2012-03-22
JP2012059335A5 JP2012059335A5 (enExample) 2013-09-12
JP5541023B2 true JP5541023B2 (ja) 2014-07-09

Family

ID=45806640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010204121A Expired - Fee Related JP5541023B2 (ja) 2010-09-13 2010-09-13 対物レンズ、光学ピックアップ、光学ドライブ装置

Country Status (3)

Country Link
US (1) US8477580B2 (enExample)
JP (1) JP5541023B2 (enExample)
CN (1) CN102402996A (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7187947B1 (en) 2000-03-28 2007-03-06 Affinity Labs, Llc System and method for communicating selected information to an electronic device
AU2013365772B2 (en) 2012-12-19 2017-08-10 Basf Se Detector for optically detecting at least one object
US10353049B2 (en) 2013-06-13 2019-07-16 Basf Se Detector for optically detecting an orientation of at least one object
JP2016529473A (ja) 2013-06-13 2016-09-23 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 少なくとも１つの物体を光学的に検出する検出器
AU2014280334B2 (en) 2013-06-13 2018-02-01 Basf Se Optical detector and method for manufacturing the same
KR20160044009A (ko) 2013-08-19 2016-04-22 바스프 에스이 하나 이상의 물체의 위치를 결정하기 위한 검출기
AU2014310703B2 (en) 2013-08-19 2018-09-27 Basf Se Optical detector
KR20160138427A (ko) * 2014-03-31 2016-12-05 바스프 에스이 데이터 캐리어로부터 데이터를 판독하기 위한 데이터 판독 장치
EP3167304A4 (en) 2014-07-08 2018-02-21 Basf Se Detector for determining a position of at least one object
CN106716059B (zh) 2014-09-29 2020-03-13 巴斯夫欧洲公司 用于光学确定至少一个对象的位置的检测器
WO2016092451A1 (en) 2014-12-09 2016-06-16 Basf Se Optical detector
US10775505B2 (en) 2015-01-30 2020-09-15 Trinamix Gmbh Detector for an optical detection of at least one object
EP3325917B1 (en) 2015-07-17 2020-02-26 trinamiX GmbH Detector for optically detecting at least one object
US10412283B2 (en) 2015-09-14 2019-09-10 Trinamix Gmbh Dual aperture 3D camera and method using differing aperture areas
US11211513B2 (en) 2016-07-29 2021-12-28 Trinamix Gmbh Optical sensor and detector for an optical detection
EP3532796A1 (en) 2016-10-25 2019-09-04 trinamiX GmbH Nfrared optical detector with integrated filter
US11428787B2 (en) 2016-10-25 2022-08-30 Trinamix Gmbh Detector for an optical detection of at least one object
US11860292B2 (en) 2016-11-17 2024-01-02 Trinamix Gmbh Detector and methods for authenticating at least one object
EP4239371A3 (en) 2016-11-17 2023-11-08 trinamiX GmbH Detector for optically detecting at least one object
CN119958702A (zh) 2017-04-20 2025-05-09 特里纳米克斯股份有限公司 光学检测器
CN110998223B (zh) 2017-06-26 2021-10-29 特里纳米克斯股份有限公司 用于确定至少一个对像的位置的检测器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007133967A (ja) * 2005-11-10 2007-05-31 Canon Inc 光学式情報記録再生装置
JP4770685B2 (ja) 2006-10-10 2011-09-14 パナソニック株式会社 光学情報記録再生装置
US7960092B2 (en) 2006-10-23 2011-06-14 Sony Corporation Method of recording in an optical information recording medium
JP2008135144A (ja) 2006-10-23 2008-06-12 Sony Corp 光情報記録装置及び光情報記録方法並びに光情報再生装置及び光情報再生方法
JP2008176902A (ja) 2006-10-23 2008-07-31 Sony Corp 光情報記録媒体
JP2008262702A (ja) 2008-07-11 2008-10-30 Sony Corp 対物レンズ及びこれを用いた光学ピックアップ装置、光記録再生装置及び収差補正方法
JP4849134B2 (ja) * 2009-01-26 2012-01-11 ソニー株式会社 対物レンズ、光ピックアップ及び光ディスク装置
JP2011150755A (ja) * 2010-01-22 2011-08-04 Sanyo Electric Co Ltd 光ピックアップ装置及びその製造方法

Also Published As

Publication number Publication date
CN102402996A (zh) 2012-04-04
JP2012059335A (ja) 2012-03-22
US8477580B2 (en) 2013-07-02
US20120063287A1 (en) 2012-03-15

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